Answer:
This painting is in the Tate Collection, London. Many factors determine the monetary value of a work of art. Auction prices can be a gauge, but the art market is always changing. Consequently, it is not possible to assess the value of a work of art until it, or a similar piece, is up for sale or auction. Looking at John Constable auction records will give you a general idea but these records cost money. Many prints and copies of this famous painting exist.